JUKI SC-921 Instruction Manual page 7

❶ A
1) Pass cords ❶ of the thread trimming solenoid,
reverse-stitching solenoid, etc. and the cord from
the motor through hole A in the table to route
them down under the machine table.

❾
6) Connect connector ❺ coming from the motor to connector ❽ (CN30) on the circuit board.
7) Insert pedal sensor cable  into connector  (CN34).
(Caution) 1. When using the AK device, set whether to use the AK device after confirming how to se-
lect the auto-lifter function. (Refer to
2. Be sure to securely insert the respective connectors after checking the inserting direc-
tions since all connectors have the inserting directions. (When using a type with lock, in-
sert the connectors until they go to the lock.) The sewing machine is not actuated unless
the connectors are inserted properly. In addition, not only the problem of error warning
or the like occurs, but also the sewing machine and the control box are damaged.
[Connecting the connector for the operation panel]


❽ 
❺

❸
2) Loosen screw B in cover ❷ with a screwdriver to
open the cover.
❼
❻
❹
"III-11. Setting of the auto lifter function" p.39
The connector for the operation panel is provided.
Paying attention to the orientation of the connector
 , connect it to connector (CN38)  located on the
circuit board. After connecting, securely lock the con-
nector.
(Caution) Be sure to turn OFF the power before
connecting the connector.
– 5 –
B ❷
3) Connect 14P code ❸ coming
from the machine head to con-
nector ❻ (CN36).
4) Insert 3P cord ❾ coming from
the machine head into con-
nector  (CN42).
5) When the optional AK device
is attached, connect 2P con-
nector ❹ coming from the AK
device to connector ❼ (CN37).
.)